Acer Aspire E1-421 Acer Aspire E1-421 Notebook Service Guide
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Acer Aspire E1-421 manual content summary:
- Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 1
Aspire E1-421 SERVICEGUIDE - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 2
, manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice. There are no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically disclaims - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 3
following conventions are used in this manual: ! WARNING: Indicates a potential process names are shown in italics. Example: the DRS5 User's Guide /usr/local/bin/fd the /TPH15spool_M program Computer output ( > -m Keyboard keys are shown in bold italics. Example: After entering data, press Enter. - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 4
up-to-date information available on the Website. If, for whatever reason, a part number change is made, it may not be noted in this printed service guide. Acer-authorized Service Providers: The Acer office may have a different part number code than those given in the FRU list in this - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 5
Adapter and Battery 1-7 Input and Control 1-8 Input and Output (I/O) Ports 1-8 Software 1-8 Optional Items 1-9 Warranty 1-9 Environment 1-10 Notebook Tour 1-11 Touchpad Basics 1-17 Using the Keyboard 1-18 Windows Keys 1-19 Hotkeys 1-20 System Block Diagram 1-22 Specification Tables - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 6
1-40 Card Reader 1-41 System LED Indicator 1-41 System DMA Specification 1-42 System Interrupt Specification 1-43 System I/O Address Map 1-47 CHAPTER 2 System Utilities BIOS Setup Utility 2-3 Navigating the BIOS Utility 2-3 BIOS 2-4 Information 2-4 Main 2-6 Security 2-8 Boot 2-12 vi - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 7
-disassembly Instructions 3-6 Disassembly Process 3-7 External Module Disassembly Process 3-8 External Modules Disassembly Flowchart 3-8 Dummy Card Removal 3-9 Battery Pack Removal 3-10 ODD (Optical Disk Drive) Module Removal 3-11 Keyboard Removal 3-13 Base Door Removal 3-14 WLAN (Wireless - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 8
Replacing the Camera Module 3-50 Replacing the LCD Bezel 3-51 Main Unit Reassembly Process 3-53 Replacing the Support Bracket 3-53 Replacing the DC-in Jack 3-54 Replacing the LCD (Liquid Crystal Display) Module 3-55 Replacing the Thermal Module 3-57 Replacing the RTC battery 3-59 Replacing - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 9
Password Check 5-5 BIOS Recovery by Crisis Disk 5-7 CHAPTER 6 FRU (Field Replaceable Unit) List Exploded Diagrams 6-4 FRU List 6-8 Screw List 6-17 CHAPTER 7 Model Definition and Configuration Acer Aspire E1-421 7-3 CHAPTER 8 Test Compatible Components Microsoft® Windows® 7 Environment Test - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 10
CHAPTER 9 Online Support Information Introduction 9-3 x - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 11
CHAPTER 1 Hardware Specifications - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 12
Adapter and Battery 1-7 Input and Control 1-8 Input and Output (I/O) Ports 1-8 Software 1-8 Optional Items 1-9 Warranty 1-9 Environment 1-10 Notebook Tour 1-11 Touchpad Basics 1-17 Using the Keyboard 1-18 Windows Keys 1-19 Hotkeys 1-20 System Block Diagram 1-22 Specification Tables - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 13
with this model 1-34 Display Supported Resolution (LCD Supported Resolution) .1-35 Graphics Controller 1-35 Display Supported Resolution (GPU Supported Resolution) .1-35 LAN Interface 1-36 Bluetooth Interface (not available in this model 1-36 Bluetooth Module (not abailable in this model - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 14
1-4 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 15
Hardware Specifications and Configurations Features 0 Below is a summary of the computer's features: Operating System 0 Genuine Windows® 7 Home Premium 64-bit2 Service Pack 1 Genuine Windows® 7 Home Basic 64-bit2 Service Pack 1 Platform 0 AMD Brazos 2.0 APU E-Series processor E1-1200 (1.40 GHz - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 16
Graphics 0 AMD Radeon HD 7000 Series Graphics with 512 MB of dedicated system memory, supporting Unified Video Decoder 3 (UVD 3), OpenEXR High Dynamic-Range (HDR) technology, Shader Model 5.0, Microsoft® DirectX 11, OpenGL® 4.0, OpenCL™ 1.1 Dual independent display support 16.7 million colors - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 17
modes Power adapter 3-pin 65W AC adapter: 133 (W) x 59 (D) x 31 (H) mm (5.32 x 2.32 x 1.22 inches) 390 g (0.86 lbs.) with 180 cm DC cable Battery 48 Wh 4400 mAh 6-cell Li-ion standard battery pack Battery life: 4.5 hours ENERGY STAR® Hardware Specifications and Configurations 1-7 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 18
key Acer FineTip keyboard with International Language support Support Application keys for Windows Vista/Windows 7 Touchpad Multi-gesture touchpad, supporting two-finger scroll, pinch, rotate, flip Media Keys Media control keys customer request) 1-8 Hardware Specifications and Configurations - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 19
Windows Live™ Essentials 2011 Skype™ Acer Wi-Fi Jet Web links and utilities Acer Accessory Store (France, Spain, Germany, UK, Italy, Sweden, Netherlands, Belgium, Denmark, Portugal and Poland) Acer Identity Card Acer Registration Acer Updater eBay® shortcut (Australia, Austria, India - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 20
Environment 0 Temperature: Operating: 5 °C to 35 °C Non-operating: -20 °C to 65 °C Humidity (non-condensing): Operating: 20% to 80% Non-operating: 20% to 80% 1-10 Hardware Specifications and Configurations - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 21
Notebook Tour 0 Figure 1-1. Opened Front View Table 1-1. Opened Front View # Icon Item 1 Microphone 2 Display left and right buttons function like the left and right mouse buttons. 7 Integrated webcam Web camera for video communication. Hardware Specifications and Configurations 1-11 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 22
shows orange when the battery is charging. 2. Fully charged: The light shows blue when in AC mode. Indicates the hard driver or card reader's activity of read/write operations Indicates the computer's wireless (3G/Wi-Fi) connectivity device status. 1-12 Hardware Specifications and Configurations - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 23
Figure 1-3. Rear View Table 1-3. Rear View # Icon 1 Item Battery bay Description Houses the computer's battery pack. Note: Your computer may be equipped with a different battery than the one in the picture. Hardware Specifications and Configurations 1-13 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 24
USB 2.0/3.0 combo port Connects to USB 2.0 or USB 3.0 devices (e.g., USB mouse, USB camera) Microphone jack Accepts inputs from external microphones. 6 Headphone/ Connects to audio line-out devices (e.g., speaker jack speakers, headphones). 1-14 Hardware Specifications and Configurations - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 25
1 USB 2.0 ports Connect to USB 2.0 devices (e.g., USB mouse, USB camera). 2 Optical drive Internal optical drive; accepts CDs or DVDs. 3 Optical disk the notch and turn the key to secure the lock. Some keyless models are also available. Hardware Specifications and Configurations 1-15 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 26
Base View Table 1-6. Base View # Icon Item 1 Battery bay Description Houses the computer's battery pack. 2 Battery lock Locks the battery in position. 3 Speakers Emits audio from your computer cover or obstruct the opening of the fan. 1-16 Hardware Specifications and Configurations - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 27
drag the cursor. Click and hold, then use finger on the Touchpad to drag the cursor. Access context menu Click once. NOTE: When using the Touchpad, keep it - and fingers - dry and clean. The hard will not increase the Touchpad's responsiveness. Hardware Specifications and Configurations 1-17 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 28
manner. Cursor-control keys on embedded keypad Hold while using cursor-control keys. Hold while using cursor-control keys. Main keyboard keys Hold while typing letters Type the letters in a on embedded keypad. normal manner. 1-18 Hardware Specifications and Configurations - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 29
dialog box Functions supported by Windows XP: < > + : Show the System Properties dialog box < > + : Open Ease of Access Center This key has the same effect as clicking the right mouse button; it opens the application's context menu. Hardware Specifications and Configurations 1-19 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 30
press and hold the key before pressing the other key in the hockey combination. Hot key Icon Function Description + if connected) and both. Turns the display screen backlight off to save power. Press any key to return. Turns the internal touchpad on and off. + Speaker - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 31
Hot key + Icon Function Volume up + Volume down + Play/Pause + + + < media file. Stop playing the selected media file. Return to the previous media file. Jump to the next media file. Hardware Specifications and Configurations 1-21 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 32
System Block Diagram 0 1-22 Figure 1-10. System Block Diagram Hardware Specifications and Configurations - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 33
Tables 0 Computer specifications Item Metric Imperial Dimensions Length 245 mm 9.6 in. Width 342 mm 13.5 in. Height (front to rear) 27.2/33.4 mm 1.07/1.31 in. Weight (equipped with optical drive, flash drive, and battery) 2.4 kg with battery 5.29 lbs with battery Input power - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 34
Brazos 2.0 TDP-18W 413-pin BGA Specification Two execution cores A 64-KB (32-KB instruction and 32-KB data) first-level cache (L1) for each core A 512-KB shared instruction/data second-level cache (L2) for each core AMD Hudson-M3 Processor Specifications Item E1-1200 E2-1800 CPU Speed (GHz - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 35
size per socket Supports maximum memory size Supports DIMM type Supports DIMM Speed Support DIMM voltage Supports DIMM package Specification Built in at CPU DDR3 800/1066/1333 2 GB (256 Meg x 64), 4 GB (512 Meg x 64) 2 sockets 4 GB 8 GB SDRAM memory interface design Note: Processor supports up to - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 36
of ANSI/TIA/EIA-644 500 MHz Specification Insyde 1.03 W25Q16BVSSIG (16M-bit), W25Q32BVSSIG (32M-bit) 4MB Serial Flash Memory Insyde code base boot block non-shadow RAM support uEFI Specification Acer TM4T_A11B keyboard 86-US/87-UK/91-JP key Yes Plug USB keyboard to the USB port - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 37
Item Vendor & Model name Battery Type Pack capacity Number of battery cell Package configuration Specification SANYO AS10D31 / SONY AS10D41 / Panasonic AS10D51 / Samsung AS10D61 / Simplo AS10D73, AS10D75 / LGC AS10D81 Lithium-Ion 4400mAh 6 3S2P AC Adapter Item Vendor Input rating Maximum input - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 38
Bytes per sector 512 (logical) / 4096 (physical) Data heads 2, 2/1, 2, 2 4, 2, 3, 2 Drive Format Disks 1 2, 1, 2, 1 Spindle speed (RPM) 5400 Performance Specifications Buffer size 8 Mbytes Interface SATA Fast data transfer rate 3.0 3.0 (Gbits / sec, max) Media data transfer rate - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 39
WD7500BPVT TOSHIBA MQ01ABD075 Capacity (GB) 750 Bytes per sector 512 Data heads 4 Drive Format Disks 2 Spindle speed (RPM) 5400 Performance Specifications Buffer size 8 Mbytes Interface SATA Fast data transfer rate 3.0 (Gbits / sec, max) Media data transfer rate (Mbytes/sec max - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 40
ROM XA, PhotoCD (MultiSession), Video CD, CD-Extra (CD+), CD-text, Hybrid SACD Loading mechanism Drawer type manual load / Electrical release Tray-type loading Power Requirements Input Voltage 5 V +/- 5% (Operating) DC 5V +/- 0.25V (Operating) 1-30 Hardware Specifications and Configurations - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 41
-1 and Form-2, •CD-I Ready, Video-CD (MPEG-1), •Photo-CD, Enhance CD, •CD extra, UDF (fixed/variable Packet mode) Loading mechanism Tray-type loading Manual load Plunger system Power Requirements Input Voltage 5V +/- 5% (Operating) 5V +/- 5% Hardware Specifications and Configurations 1-31 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 42
LCD 14.0" Item Specification Vendor & Model name AUO B140XW01 AUO B140XTN01 Screen Diagonal (mm) 354.95 Active Area (mm) 309.40 x 173.95 Display (Upper) CR = 10 (Lower) 40 min. / 45 typ. 40 min. / 45 typ. 10 min. / 15 typ. 30 min. / 35 typ. 1-32 Hardware Specifications and Configurations - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 43
LCD 14.0" (Continued) Item Specification Vendor & Model name Chimei N140BGE Chimei BT140GW01 Screen Diagonal (mm) 354.95 Active Area (mm) 309.40 x 173.95 CR = 10 (Lower) 40 min. 40 min. 10 min. 30 min. 40 min. 40 min. 15 min. 30 min. Hardware Specifications and Configurations 1-33 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 44
LCD 14.0" (Continued) Item Specification Vendor & Model name LG LP140WH4 Screen Diagonal (mm) 354.95 Active Area (mm) 309.40 x Input current (mA) Output voltage (V, RMS) Output current (mA, RMS) Output voltage frequency (KHz) Specification 1-34 Hardware Specifications and Configurations - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 45
Yes Yes Yes Graphics Controller VGA Chip Package Feature Item Specification AMD Radeon HD7000 Series (Integrated graphics) Built-in to the CPU configurations with AMD CrossFire™ technology Display Supported Resolution (GPU Supported Resolution) Resolution 16 bits 32 bits Intel ATI - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 46
up (including AMD Magic packet and MS Wake-up frame) in both ACPI and APM Max payload size 128 bytes, read request size 4096 bytes Bluetooth Interface (not available in this model) Item Chipset Data throughput Protocol Interface Connector type Supported protocol Specifications Bluetooth Module - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 47
Audio Controller Audio onboard or optional Mono or Stereo Resolution Compatibility Sampling rate Internal microphone Internal speaker/quantity Specification Conexant 20584 On board Mono Support 16/24bit PCM HD audio Interface Sample rate up to 192Khz resolution VSR (Variable Sampling Rate) Yes Yes - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 48
and Windows 7 Desktop and Notebook Premium Logo Requirements, WLP4.0 D-Flex power management exceeds Intel ECR 15B requirements, and features Wake-On-PCBeep functionality Hardware Headphone limiter bit (supports GS Mark EN50332-2) Compliant with Intel High Definition Audio Specification Rev - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 49
Gain Control (AGC) Pixel Resolution: 1280 x 800 (HD) for Liteon 11P2SF168, 1280 x 720 (HD) for Chicony CNFB1E1 0.3M Camera Item Vendor & Model Sensor Type Feature Specification Liteon 10P2SF005 Suyin Chicony HF0319-M08C-OV01 CNFA028 CMOS sensor (OVT, OV7675, CSP) OV7675 SXGA CMOS sensor - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 50
1 left side System Power Management Item Mech. Off (G3) Soft Off (G2/S5) Working (G0/S0) Suspend to RAM (S3) Save to Disk (S4) Specification All devices in the system are turned off completely. OS initiated shutdown. All devices in the system are turned off completely. Individual devices such as - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 51
MS (M2), MS-PRO-HG Duo v1.01 8-bit mode, and MSXC xD-Picture Card (xD) up to version 1.2, including Type M+, Type M, and Type H On chip MOSFET with 800mA capability for direct power control of all types memory cards Supports both Windows and Mac OS Specification Caps Lock on = Blue Caps Lock - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 52
System DMA Specification Legacy Mode Power Management DMA0 Not applicable DMA1* Not applicable DMA2* Not applicable DMA3 Not applicable Express Card DMA6 Not Assigned DMA7 Not Assigned *ExpressCard controller can use DMA 1, 2, or 5. 1-42 Hardware Specifications and Configurations - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 53
Keyboard High precision event timer Synaptics PS/2 Port TouchPad Numeric data processor Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Hardware Specifications and Configurations 1-43 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 54
ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System 1-44 Hardware Specifications and Configurations - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 55
Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Microsoft ACPI-Compliant System Hardware Specifications and Configurations 1-45 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 56
Controller AMD USB 3.0 Host Controller AMD USB 3.0 Host Controller AMD USB 3.0 Host Controller AMD USB 3.0 Host Controller AMD USB 3.0 Host Controller AMD USB 3.0 Host Controller AMD USB 3.0 Host Controller AMD USB 3.0 Host Controller AMD Radeon HD 7340 Graphics 1-46 Hardware Specifications and - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 57
memory access controller 00F0 - 00FE Numeric data processor 03B0 - 03BB AMD Radeon HD 7340 Graphics 03C0 -03DF AMD Radeon HD 7340 Graphics 0400 - 04CF Motherboard 0C50 - 0C52 Motherboard resources 0C6C - 0C6C Motherboard resources Hardware Specifications and Configurations 1-47 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 58
- 2FFF PCI Express standard Root Port 3000 - 30FF AMD Radeon HD 7340 Graphics 3100 - 310F AMD SATA Controller 3110 - 3117 AMD SATA Controller 3118 - 311F AMD SATA Controller 3120 - 3120 AMD SATA Controller 3124 - 3127 AMD SATA Controller 1-48 Hardware Specifications and Configurations - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 59
CHAPTER 2 System Utilities - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 60
Setup Utility 2-3 Navigating the BIOS Utility 2-3 BIOS 2-4 Information 2-4 Main 2-6 Security 2-8 Boot 2-12 Exit 2-13 BIOS Flash Utilities 2-14 DOS Flash Utility 2-15 WinFlash Utility 2-17 Clearing BIOS Passwords 2-18 Removing Insyde BIOS Passwords 2-19 Removing Insyde HDD Password 2-21 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 61
run. Refer to Chapter 4, Troubleshooting when a problem arises. To activate the utility, press F2 during POST (power-on self-test) when prompted at the bottom of screen. The default parameter of F12 Boot Menu is set to Disabled. To change the boot device without entering BIOS Setup Utility, set the - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 62
BIOS Version: VGA BIOS Version: Serial Number: Asset Tag Number: Product Name: Manufacturer Name: UUID: AMD E2-1800 APU with Radeon (TM) HD Graphics 1700 MHz WDC WD3200BPVT-22JJ5T0 WD-WX21E91SAS22 PIONEER DVD-RW DVRTD11RS V1.03 ATI VGA VER015.013.000.000.000000 N9M0ZTW0012060F3E77600 E1-421 Acer - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 63
(Continued) Parameter Description System BIOS Version System BIOS version VGA BIOS Version VGA (video graphics array) firmware version of system Serial Number Serial number of unit Asset Tag Number Asset tag number of system Product Name - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 64
] [03/14/2012] 6144 MB 256 MB Item Specific Help This is the help for the hour field. Valid range is from 0 to 23. REDUCE/INCREASE: F5/F6. Quiet Boot Network Boot F12 Boot Menu D2D Recovery Wake on LAN SATA Mode [Enabled] [Enabled] [Disabled] [Enabled] [Enabled] [AHCI Mode] Figure 2-2. BIOS Main - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 65
Table 2-2. BIOS Main (Continued) Parameter Description D2D Recovery Option to use D2D Recovery function Wake on LAN Option to use Wake-on-LAN feature SATA Mode Option - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 66
on Boot Clear Clear Clear [Enter] [Enter] [Enter] [Disabled] 3.7 Item Specific Help Install or Change the password and the length of password must be greater or equal one word. Figure 2-3. BIOS Security Table 2-3 describes the parameters shown in Figure 2-3. Table 2-3. BIOS - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 67
BIOS password may require computer be returned to dealer. Setting a Password 0 Perform the following to set user or supervisor passwords: 1. Use the ↑ and ↓ keys parameter to Set. NOTE: NOTE: Password on Boot must be set to Enabled to activate password feature. 4. Press F10 to save changes and - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 68
F10 to save changes and exit the BIOS Setup Utility. Changing a Password 0 1. Use the ↑ and ↓ keys to highlight Set Supervisor Password and press NOTE: NOTE: Password on Boot must be set to Enabled to activate the password feature. 5. Press F10 to save changes and exit BIOS Setup Utility. If the - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 69
The password setting is complete after the user presses Enter. If the password entered does not match the current password, the screen shows the Setup Warning dialog. (Figure 2-8) Figure 2-8. Setup Warning: Invalid Password If new password and confirm new password strings do not match, the Setup - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 70
-RW DVRTD11RS 3. USB FDD: 4. Network Boot: Atheros Boot Agent 5. USB HDD: 6. USB CDROM: 3.7 Item Specific Help Use or to select a device, then press to move it up the list, or to move it down the list. Press to escape the menu Figure 2-10. BIOS Boot 2-12 System Utilities - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 71
. 3.7 Exit Saving Changes Exit Discarding Changes Load Setup Defaults Discard Changes Save Changes Item Specific Help Exit System Setup and save your changes. Figure 2-11. BIOS Exit Table 2-4 describes the parameters in Figure 2-11. Table 2-4. Exit Parameters Parameter Description Exit - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 72
is used. NOTE: NOTE: Do not install memory related drivers (XMS, EMS, DPMI) when Flash is used. NOTE: NOTE: Use AC adaptor power supply when running Flash utility. If battery pack does not contain power to finish loading BIOS Flash, do not boot system. Perform the following to run Flash. 1. Prepare - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 73
Select Boot Menu to modify boot priority order. Example: If using USB HDD to Update BIOS, move USB HDD to position 1. 3.7 Boot priority order: 1. HDD0: WDC WD3200BPVT-22JJ5T0 2. ATAPI PIONEER DVD-RW DVRTD11RS 3. USB FDD: 4. Network Boot: Atheros Boot Agent 5. USB HDD: 6. USB CDROM: Item Specific - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 74
, Flash Programming Complete is shown. System will restart automatically when finished. NOTE: NOTE: If AC power is not connected, the following message is shown (Figure 2-14). Plug in the AC power to continue. Figure 2-14. AC Power Warning 2-16 System Utilities - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 75
2-15. InsydeFlash NOTE: NOTE: This feature is only functional when the AC power adapter is connected. It is recommended to have the AC adapter and Battery present when using WinFlash Utility. System Utilities 2-17 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 76
an error is generated. (Figure 2-16) Figure 2-16. Password Error Status To reset the BIOS password, perform the following: 1. Press any key to exit the menu. 2. In DOS mode, execute ClearPwd.exe. 76776356 Figure 2-17. Clear BIOS Password 3. When message Clear the SU Pws completely is displayed, the - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 77
Press Power button. 2. Press [ key before Acer logo disappears (Figure 2-18). Figure 2-18. Keyboard Key Location 3. Select Boot Option item ' USB HDD' as hightlighted in Figure 2-19 and press Enter to exit the BIOS Boot Option menu. Figure 2-19. BIOS Boot Option Meun 4. Execute ClearPwd.EXE under - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 78
' is set to Enabled, then Crisis Recovery disc must be used. Method 2: 0 If BIOS menu item Password on Boot is set to Disabled. 1. Press any key to exit the menu. 2. Boot to DOS and execute ClearPwd.EXE. 76776356 Figure 2-21. Clear Supervisor Password 3. When message Clear the SU Pws completely is - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 79
Removing Insyde HDD Password 0 Clear the BIOS Password as follows: To reset the BIOS password, perform the following: 1. When the user keys in the wrong password three times, the system reports the error code: Figure 2-22. Unlock Password Prompt 2. In DOS mode, execute UnlockHD.exe XXXXX (where - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 80
(Windows, etc.). To update the DMI Pool, perform the following: 1. Copy qdmi301.EXE and VEEPROM.EXE to a bootable USB Flash Drive. 2. Boot system from the bootable USB Flash Drive. 3. Boot to DOS. 4. Type qdmi301 and click Enter. To execute a specific function, select the associated menu number - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 81
5. Press 1 to modify the asset tag key. Figure 2-26. Asset Tag Menu Item 6. Press 2 to modify the product name, then press 2 again to modify EEPROM spec. version. Figure 2-27. Product Name Menu Item System Utilities 2-23 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 82
7. Press 3 to modify serial number key. Figure 2-28. Serial Number Menu Item 8. Press 4 to modify the 1394 GUID number key. Figure 2-29. 1394 GUID Number Menu Item 9. Press 0 to exit. 2-24 System Utilities - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 83
10. At the command prompt, type VEEPROM to write any changes in the data to the EEPROM. Figure 2-30. VEEPROM Command Prompt NOTE: NOTE: When using any of the write options, restart the system to make the new DMI data effective. System Utilities 2-25 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 84
Notepad under the ZQZ folder. (Figure 2-31) Figure 2-31. Editing the UUID File 3. Boot from USB and excute ZQZ.bat under DOS mode. (Figure 2-32) Microsoft(R) Windows 98 (C)Copyright Microsoft Corp 1981-1999. C:\>CD ZQS_U_V C:\ZQS_U_V>ZQZ Write Data to EEPROM ( From [0h] to [9h] ) : Please wait - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 85
data filling ......... Please waiting for EEPROM data comparing Current MAC ID of ESN EEPROM : 00269E230844 Compare ACER & OEM S/N of ESN EEPROM : PASS 4. Flash is completed when the message, Compare ACER & OEM S/N of ESN EEPROM: PASS, is shown. 5. At the command prompt, run VEEP_795.EXE to write - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 86
button flashes orange. 7. Press Power button (at the same time, still press Fn + Esc keys) and hold them down until the power led turns off (about 1-2 seconds). 8. The system will enter crisis mode to flash the BIOS (The process takes about 2-3 minutes). At first running, the LED of USB flash disk - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 87
CHAPTER 3 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 88
3-21 IO Board Removal 3-23 Mainboard Removal 3-25 Speaker Module Removal 3-28 RTC battery Removal 3-30 Thermal Module Removal 3-32 LCD (Liquid Crystal Display) Module Removal 3-33 DC-in Jack Removal 3-35 Support Bracket Removal 3-36 LCD Module Disassembly Process 3-37 LCD Module Disassembly - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 89
Replacing the LCD (Liquid Crystal Display) Module 3-55 Replacing the Thermal Module 3-57 Replacing the RTC battery 3-59 Replacing the Speaker Module 3-60 Replacing the Mainboard 3-61 Replacing the IO Board 3-63 Replacing the Upper Case 3-65 External Module Reassembly Process 3-67 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 90
3-4 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 91
Machine Maintenance Procedures Introduction 0 This chapter contains general information about the computer, a list of tools needed to do the required maintenance and step by step procedures on how to remove and install components from the computer. General Information 0 The product previews seen in - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 92
Pre-disassembly Instructions 0 Do the following prior to starting any maintenance procedures: 1. Remove power (A) from the system and peripherals (Figure 3-1). 2. Remove all cables from system. A Figure 3-1. AC Adapter - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 93
the mainboard, remove first the keyboard, and the LCD module then disassemble the inside assembly frame in that order. Table 3-1. Main Screw List Size Quantity Acer Part No. M3.0*3.5 (NI) 4 86.WFB07.001 M2.5*6 23 86.A08V7.004 M2.5*4 15 86.A08V7.014 M2*3 12 86.SA107.001 M2*2 4 86 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 94
Process 0 External Modules Disassembly Flowchart 0 SD Dummy Card Battery ODD Module Keyboard Base Door WLAN Module DIMM Module HDD Size M2.5*6 M2*3 M2.5*6 M2*3 M3.0*3.5 Ni Quantity 1 2 4 1 4 Acer Part No. 86.A08V7.004 86.SA107.001 86.A08V7.004 86.SA107.001 86.WFB07.001 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 95
Dummy Card Removal 0 1. Push dummy card (A) in to release it from the spring latch (Figure 3-3). 2. Remove dummy card (A) (Figure 3-3). A Figure 3-3. Dummy Card Machine Maintenance Procedures 3-9 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 96
to push and hold the battery release latch (A) to unlock position (Figure 3-4). The battery pack will automatically realease from the battery bay. A Figure 3-4. Battery Release Latch 3. Lift battery pack (B) from battery bay (Figure 3-5). B Figure 3-5. Battery + IMPORTANT: Follow local regulations - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 97
ODD (Optical Disk Drive) Module Removal 0 Prerequisite: Battery Pack Removal 1. Remove one (1) screw (A) securing the ODD module in place (Figure 3-6). 2. Grasp the ODD bezel (B) to remove ODD module from ODD bay (Figure 3-6). B A Figure 3-6. - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 98
ID Size A M2.5*6 C M2.0*3.0 Quantity 1 2 Screw Type 3-12 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 99
Keyboard Removal 0 Prerequisite: Battery Pack Removal 1. Press downward on the five (5) locking latches until the keyboard disengages and separates from the system (Figure 3-8). Figure 3-8. Keyboard Latches 2. Turn the keyboard - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 100
0 Prerequisite: Battery Pack Removal 1. Remove four (4) screws securing the base door in place (Figure 3-10). A Figure 3-10. Base Door 2. Slide the base door (A) toward the front of the system and lift away from the system (Figure 3-10). ID Size A M2.5*6 Quantity 4 Screw Type 3-14 Machine - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 101
WLAN (Wireless Local Area Network) Module Removal 0 Prerequisite: Base Door Removal 1. Find WLAN module (B) on the base assembly. Refer to Figure 3-11. A C B Figure 3-11. Component Location 2. Disconnect WLAN antenna (C) connected to WLAN card (Figure 3-12). 3. Remove one (1) screw (A) securing - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 102
4. Remove WLAN module from mainboard connector (D) (Figure 3-13). D Figure 3-13. WLAN Module ID Size A M2.0*3.0 Quantity 1 Screw Type 3-16 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 103
: Base Door Removal 1. Find DIMM (C) on the base assembly (Figure 3-11). 2. Push DIMM clips (A) outwards (Figure 3-14). 3. Remove DIMM from mainboard connector (B) (Figure 3-14). B A A Figure 3-14. DIMM Modules 4. Repeat steps 2 and 3 for remaining modules. Machine Maintenance Procedures 3-17 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 104
HDD (Hard Disk Drive) Module Removal 0 Prerequisite: Base Door Removal 1. Find HDD module (A) on the base assembly as shown in Figure 3-11. 2. Dicsonnect HDD cable from the mainboard connector (D) (Figure 3-15). 3. Pull the tab (B) to release HDD module from mainboard connector (C). Refer to Figure - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 105
6. Remove HDD bracket (G) from HDD (Figure 3-17). G G Figure 3-17. HDD Bracket ID Size F M3.0*3.5 Ni Quantity 4 Screw Type Machine Maintenance Procedures 3-19 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 106
Battery LCD Module Speaker Support Bracket Table 3-3. Screw List Step Upper Case Removal IO Board Removal Mainboard Removal Speaker Removal LCD Module Removal Support Bracket Removal Size M2.5*6 M2*3 M2.5*4 M2.5*4 M2*2 M2.5*6 M2.5*4 DC-in Jack Quantity 15 5 1 2 4 3 4 Acer Part - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 107
Upper Case Removal 0 Prerequisite: Keyboard Removal and Base Door Removal 1. Remove eighteen (18) screws from the base assembly (Figure 3-18). Figure 3-18. Upper Case Screw Location 2. Disconnect touchpad FPC (A) from mainboard connector (B) (Figure 3-19). 3. Remove two (2) screws (C) securing the - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 108
4. Lift up the upper case by starting from the top edge of the upper case. Refer to Figure 3-20. 5. Release the tabs on the bottom edge of the upper case. 6. Grasp and remove the upper case from the system. Figure 3-20. Upper Case Removal ID Red Call out Green Call out C Size M2.5*6 M2*3 M2.5*6 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 109
IO Board Removal 0 Prerequisite: Upper Case Removal 1. Find IO Board (B) on the base assembly. Refer to Figure 3-21. A B Figure 3-21. Component Location 2. Disconnect IO board FPC (A) from IO board connector (D) (Figure 3-22). 3. Remove one (1) screw (C) securing the IO board in place (Figure 3-22 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 110
ID Size C M2.5*4 Quantity 1 Screw Type 3-24 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 111
Mainboard Removal 0 Prerequisite: Upper Case Removal 1. Find Mainboard (A) on the base assembly as shown in Figure 3-21. 2. Disconnect the speaker cable from mainboard connector (B) (Figure 3-23). B Figure 3-23. Mainboard Backside 3. Disconnect LVDS cable from mainboard connector (D) (Figure 3-24 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 112
7. Remove the Mainboard by gently lifting it from the base assembly (Figure 3-25). Figure 3-25. Mainboard Removal ! CAUTION: Make sure all cables are moved away from the device to avoid damage during removal. Figure 3-26. Mainboard 3-26 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 113
+ IMPORTANT: Circuit boards >10 cm² have been highlighted with a yellow rectangle as shown in Figure 3-26. Remove the circuit board and follow local regulations for disposal. ID Size C M2.5*4 Quantity 2 Screw Type Machine Maintenance Procedures 3-27 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 114
Speaker Module 3. Lift up the Right Speaker upwards from the base assembly as shown in Figure 3-28. 4. Gentely remove the speaker cable (C) from the cable guides (Figure 3-28). D C Figure 3-28. Speaker Cable 5. Remove Speaker Module (A) from the base assembly. 3-28 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 115
ID Size B M2*2 Quantity 4 Screw Type Machine Maintenance Procedures 3-29 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 116
3-29. B A Figure 3-29. RTC battery & Thermal Module Location 2. Using plastic tweezers, push the RTC battery through the gap in the mainboard connector (B) to release the battery. Refer to Figure 3-30. B B A Figure 3-30. RTC battery 3. Remove the RTC battery from mainboard connector. 3-30 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 117
+ IMPORTANT: Follow local regulations for battery (Figure 3-30) disposal. Machine Maintenance Procedures 3-31 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 118
). 3. Loosen four (4) captive screws (A) in numerical order from one (1) to four (4). Refer to Figure 3-31. 4. Remove thermal module from the mainboard. A 4 C 1 3 2 A Figure 3-31. Thermal Module 3-32 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 119
of the tape (C) securing the antenna on the base assembly and remove the antenna from the cable guides (Figure 3-32). 2. Remove three (3) screws (A) from LCD hinges (Figure 3-32). A A C B Figure 3-32. LCD Module 3. Remove the LCD module from the base assembly (Figure 3-33). Figure 3-33. LCD Module - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 120
! CAUTION: Make sure all cables and antennas are moved away from the device to avoid damage during removal. ID Size A M2.5*6 Quantity 3 Screw Type 3-34 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 121
DC-in Jack Removal 0 Prerequisite: LCD (Liquid Crystal Display) Module Removal 1. Find DC-in Jack Module (A) on the base assembly. Refer to Figure 3-34. 2. Remove DC-in Jack Module (A) from the base assembly. A Figure 3-34. DC-in Jack Module Machine Maintenance Procedures 3-35 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 122
base assembly. Refer to Figure 3-35. 2. Remove four (4) screws securing the support brackets in place (Figure 3-35). 3. Remove the support brackets from the base assembly. B B A A Figure 3-35. Support Brackets ID Size A M2.5*4 Quantity 4 Screw Type 3-36 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 123
Disassembly Process 0 LCD Module Disassembly Flowchart 0 LCD Module LCD Bezel Camera LCD Panel LCD Bracket Table 3-4. Screw List Step LCD Bezel Removal LCD Panel Removal LCD Bracket Removal Size M2.5*4 M2.5*4 M2*3 LVDS Cable Quantity 2 6 4 Acer Part No. 86.A08V7.014 86.A08V7.014 86.SA107.001 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 124
LCD Bezel Removal 0 Prerequisite: LCD (Liquid Crystal Display) Module Removal 1. Remove two (2) screw mylar (A) from the LCD bezel (Figure 3-36). A A Figure 3-36. LCD Bezel Screw Mylar 2. Remove two (2) screws (B) securing the LCD bezel in place (Figure 3-37). B 3-38 Figure 3-37. LCD Bezel - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 125
3. Lift the top of the bezel up by releasing it from the latches (Figure 3-38). Figure 3-38. LCD Bezel 4. Continue along the sides of the bezel until all the latches have been released (Figure 3-39). Figure 3-39. LCD Bezel 5. Lift and remove the bezel from LCD module. Machine Maintenance - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 126
ID Size B M2.5*4 Quantity 2 Screw Type 3-40 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 127
on the LCD cover (Figure 3-40). A Figure 3-40. Camera Module Location 2. Disconnect the camera cable (B) from connector (C) (Figure 3-41). NOTE: NOTE: Use care not to damage the cable. B C Figure 3-41. Camera Cable 3. Lift the camera module (A) from the adhesive and remove it. Machine Maintenance - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 128
LCD Panel Removal 0 Prerequisite: Camera Module Removal 1. Remove the microphone (B) from its compartment on the LCD cover (Figure 3-42). 2. Remove the six (6) screws (A) from the LCD panel (Figure 3-42). A C A A B A Figure 3- - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 129
LCD Bracket Removal Prerequisite: LCD Panel Removal 1. Remove the four (4) screws (A) (Figure 3-43). A 0 A A Figure 3-43. LCD Bracket 2. Remove LCD bracket from the LCD panel. ID Size A M2*3 Quantity 4 A Screw Type Machine Maintenance Procedures 3-43 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 130
Panel Removal 1. Remove LVDS and camera cable (A) from the adhesive on the rear of the LCD panel (Figure 3-44). A Figure 3-44. LVDS and Camera Cable 2. Remove the clear mylar tape (B) securing the camera cable to the LCD panel (Figure 3-45). B Figure 3-45. Camera Cable 3-44 Machine Maintenance - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 131
top, remove the clear mylar tape (D) and disconnect the LVDS cable from LCD panel connector (E) (Figure 3-47). D E Figure 3-47. LVDS Cable 5. Remove the LVDS and camera cable from the LCD panel. Machine Maintenance Procedures 3-45 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 132
LCD Reassembly Process 0 Replacing the LVDS and Camera Cable 0 1. Place LVDS and camera cable (A) on the rear of the LCD panel (Figure 3-48). A Figure 3-48. LVDS and Camera Cable 2. Connect the LVDS cable to the LCD panel connector (E) and secure the clear mylar tape (D) (Figure 3-49). D E Figure - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 133
place (Figure 3-50). C Figure 3-50. LVDS Cable 4. Adhere the clear mylar tape (B) to secure the camera cable in place (Figure 3-51). B Figure 3-51. Camera Cable 5. Replace the adhesives to secure the LVDS and camera cable on the rear of the LCD panel in place. Machine Maintenance Procedures 3-47 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 134
Replacing the LCD Bracket 1. Place LCD bracket on the LCD panel (Figure 3-52). A 0 A A A Figure 3-52. LCD Bracket 2. Install and secure four (4) screws (A) to the LCD bracket (Figure 3-52). ID Size A M2*3 Quantity 4 Screw Type 3-48 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 135
Replacing the LCD Panel 0 1. Place LCD panel (C) on the LCD cover (Figure 3-53). A C A A B A Figure 3-53. LCD Panel 2. Install and secure six (6) screws (A) to the LCD panel on the LCD cover (Figure 3-53). 3. Place the microphone (B) back to its compartment on the LCD cover (Figure 3-53). ! - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 136
cable (B) to connector (C) (Figure 3-54). NOTE: NOTE: Use care not to damage the cable. B C Figure 3-54. Camera Cable 2. Place the camera module (A) on the LCD cover and secure it in place with adhesives (Figure 3-55). A Figure 3-55. Camera Module Location 3-50 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 137
Replacing the LCD Bezel 0 1. Place LCD bezel on the LCD module (Figure 3-56). Figure 3-56. LCD Bezel 2. Press along the edges of the LCD bezel to secure the latches to the LCD module (Figure 3-57). Figure 3-57. LCD Bezel Machine Maintenance Procedures 3-51 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 138
3. Install and secure two (2) screws (B) to the LCD bezel (Figure 3-58). B B Figure 3-58. LCD Bezel Screw 4. Attach and secure two (2) screw mylar (A) to the LCD bezel (Figure 3-59). A A Figure 3-59. LCD Bezel Screw Mylar ID Size B M2.5*4 Quantity 2 Screw Type 3-52 Machine Maintenance - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 139
Main Unit Reassembly Process 0 Replacing the Support Bracket 0 1. Place the support brackets (B) on the base assembly (Figure 3-60). 2. Install and secure four (4) screws (A) to the support brackets (Figure 3-60). B B A A Figure 3-60. Support Brackets ID Size A M2.5*4 Quantity 4 Screw - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 140
Replacing the DC-in Jack 0 1. Place DC-in Jack Module (A) on the base assembly (Figure 3-61). 2. Secure DC-in cable to the cable guide on the base assembly (Figure 3-61). A Figure 3-61. DC-in Jack Module 3-54 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 141
Replacing the LCD (Liquid Crystal Display) Module 0 1. Align the LCD hinges with the hinge guides on the Base Assembly. The LVDS cable and the antenna must be placed above the LCD hinges (Figure 3-62). Figure 3-62. Replacing the LCD Module ! - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 142
3. Secure the antenna (B) to the cable guides and secure it with the tape (C) (Figure 3-63). ID Size A M2.5*6 Quantity 3 Screw Type 3-56 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 143
Replacing the Thermal Module 0 + IMPORTANT: Apply approved thermal grease and ensure all heat pads are in position before replacing module. ! CAUTION: Use caution when applying thermal grease. Thermal grease may cause damage to the mainboard. The following thermal grease types are approved for use: - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 144
4. Tighten four (4) captive screws (A) in numerical order from one (1) to four (4) to mainboard (Figure 3-64). Ensure the thermal module is properly aligned and seated. 5. Connect the thermal fan cable to mainboard connector (C) (Figure 3-64). 3-58 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 145
Replacing the RTC battery 0 1. Place the RTC battery (A) into the mainboard connector (B) and press downward to secure it in place (Figure 3-65). B B A A Figure 3-65. RTC battery Machine Maintenance Procedures 3-59 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 146
66. Speaker Cable 2. Install and secure four (4) screws (B) to the base assembly (Figure 3-67). C B B Figure 3-67. Speaker Module 3. Secure the speaker cable (C) to the cable guides from left to right (Figure 3-67). ID Size B M2*2 Quantity 4 Screw Type 3-60 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 147
Replacing the Mainboard 0 1. Place the mainboard onto the base assembly (Figure 3-68). Figure 3-68. Mainboard Removal 2. Install and secure two (2) screws (C) to mainboard (Figure 3-69). C E C D F Figure 3-69. Mainboard Frontside 3. Connect IO Board FPC to mainboard connector (F) (Figure 3-69 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 148
6. Connect the speaker cable to mainboard connector (B) on the backside of the mainboard (Figure 3-70). B Figure 3-70. Mainboard Backside ID Size C M2.5*4 Quantity 2 Screw Type 3-62 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 149
Replacing the IO Board 0 1. Place IO Board (D) on the base assembly (Figure 3-71). D Figure 3-71. Component Location 2. Install and secure one (1) screw (C) to the IO board (Figure 3-72). C A B Figure 3-72. IO Board 3. Connect IO board FPC (A) to IO board connector (B) (Figure 3-72). Machine - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 150
ID Size C M2.5*4 Quantity 1 Screw Type 3-64 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 151
Replacing the Upper Case 0 1. Place the upper case on the base assembly and align it properly to the edge of the system (Figure 3-73). Figure 3-73. Replacing the Upper Case 2. Install and secure two (2) screws (C) to the upper case (Figure 3-74). C C B A Figure 3-74. Touchpad FPC 3. Connect - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 152
4. Install and secure eighteen (18) screws to the base assembly (Figure 3-75). Figure 3-75. Upper Case Screw Location ID Red Call out Green Call out C Size M2.5*6 M2*3 M2.5*6 Quantity 13 5 2 Screw Type 3-66 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 153
External Module Reassembly Process 0 Replacing the HDD (Hard Disk Drive) Module 0 1. Place HDD brackets (G) onto HDD (Figure 3-76). G G Figure 3-76. HDD Bracket 2. Install and secure four (4) screws (F) to HDD brackets (G) (Figure 3-77). F E G G F F Figure 3-77. HDD Module 3. Attach HDD cable - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 154
4. Place HDD module onto the base assembly and connect HDD module to mainboard connector (C) (Figure 3-78). B C D Figure 3-78. HDD Module 5. Connect HDD cable to mainboard connector (D) (Figure 3-78). ID Size F M3.0*3.5 Ni Quantity 4 Screw Type 3-68 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 155
Replacing the DIMM (Dual In-line Memory Module) Module 0 1. Insert DIMM into mainboard connector (B) (Figure 3-79). 2. Push down on DIMM until module clips (A) lock in position (Figure 3-79). B A A Figure 3-79. DIMM Modules 3. Repeat steps 1 and 2 for remaining modules. Machine Maintenance - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 156
Replacing the WLAN (Wireless Local Area Network) Module 0 1. Place WLAN module into mainboard connector (D) (Figure 3-80). D Figure 3-80. WLAN Module 2. Install and secure one (1) screw (A) to the WLAN module (Figure 3-81). A C Figure 3-81. WLAN Module 3. Connect the antenna (C) to the WLAN card - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 157
Replacing the Base Door 0 1. Slide the base door (A) downwards and towards the battery slot (Figure 3-82). A Figure 3-82. Replacing the Base Door 2. Install and secure four (4) screws to the base door (Figure 3-83). Figure 3-83. Base Door ID - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 158
Replacing the Keyboard 0 1. Place the keyboard (C) face down on the palm rest (Figure 3-84). B A C Figure 3-84. Keyboard FPC 2. Connect keyboard FPC (A) to mainboard connector (B) (Figure 3-84). 3. Turn the keyboard over and align the keyboard tabs with the indentations in the upper cover (Figure 3- - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 159
4. Press down to secure the latches on the system (Figure 3-86). Figure 3-86. Keyboard Latches Machine Maintenance Procedures 3-73 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 160
Replacing the ODD (Optical Disk Drive) Module 0 1. Install ODD bezel (B) on ODD module (Figure 3-87). B C D C Figure 3-87. ODD Bracket 2. Install ODD bracket (D) on ODD module (Figure 3-87). 3. Install and secure two (2) screws (C) to secure the bracket (D) to the back of ODD (Figure 3-87). 4. - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 161
ID Size A M2.5*6 C M2.0*3.0 Quantity 1 2 Screw Type Machine Maintenance Procedures 3-75 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 162
Replacing the Battery Pack 0 1. Silde the battery pack (B) back into the battery bay (Figure 3-89). B A Figure 3-89. Battery 2. The battery release latch (A) will automatically click back to the locked position. 3-76 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 163
Replacing the Dummy Card 0 1. Insert dummy card (A) (Figure 3-90). 2. Push card until spring latch locks. A Figure 3-90. Dummy Card Machine Maintenance Procedures 3-77 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 164
3-78 Machine Maintenance Procedures - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 165
CHAPTER 4 Troubleshooting - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 166
4-4 No Display Issues 4-5 LCD Picture Failure 4-7 Internal Keyboard Failure 4-8 Touchpad Failure 4-9 Internal Speaker Failure 4-10 Internal Microphone Failure 4-12 USB Failure 4-13 Other Functions Failure 4-14 Intermittent Problems 4-15 Undetermined Problems 4-15 Post Codes 4-16 4-2 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 167
about troubleshooting common problems associated with the notebook. General Information 0 The following procedures are a guide for troubleshooting computer problems. The step by step procedures are designed to be performed as described. NOTE: NOTE: The diagnostic tests are intended for Acer products - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 168
outlet. Plug the computer directly into a known serviceable electrical outlet. 4. Disconnect the power and open the boot the computer to the failure point. 6. Remove any recently installed software. 7. If the Issue is still not resolved, refer to Online Support Information. 4-4 Troubleshooting - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 169
internal and external by pressing Fn+F5. Reference product pages for specific model procedures. 2. Make sure the computer has power by checking to Power On Issues. 3. Drain stored power by removing the power cable and battery. Hold the power button for 10 seconds. 4. Connect the power and reboot - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 170
If the computer boots correctly, add battery alone as this may reduce display brightness. 2. Adjust the brightness to its highest level. Refer to the User Manual for instructions driver to the previous version if updated. 5. Remove and reinstall the video driver Support Information. 8. Run the Windows - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 171
LCD Picture Failure 0 If the LCD fails, perform the following: Figure 4-3. LCD Failure Troubleshooting 4-7 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 172
Internal Keyboard Failure 0 If the Keyboard fails, perform the following: START Keyboard FPC well connected? Connect No it well Keyboard OK? No Replace keyboard Replace M/B Figure 4-4. Keyboard Failure 4-8 Troubleshooting - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 173
Touchpad Failure 0 If the Touchpad fails, perform the following: Start OK Check M/B T/P FFC Check TouchPad Re-assemble the NG T/P FFC to M/B OK Swap/Reassemble NG the T/P board or T/P FFC Swap M/B Figure 4-5. Touchpad Failure Troubleshooting 4-9 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 174
Internal Speaker Failure 0 If internal Speakers fail, perform the following: Figure 4-6. Internal Speaker Failure Sound Problems 0 Perform the following, one at a time. 1. Boot the computer. 2. Navigate to Start Control Panel System and Maintenance System Device Manager. Check the Device - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 175
remains, repeat step 9, selecting an earlier time and date. 11. Reinstall the operating system. 12. If the issue is still not resolved, refer to Online Support Information. Troubleshooting 4-11 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 176
from the list and click Next. Follow the on-screen prompts to complete the test. 7. If the Issue is still not resolved, refer to Online Support Information. 4-12 Troubleshooting - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 177
USB Failure 0 If the USB on the right side fails, perform the following: Start OK Check USB/B to M/B cable OK Check USB/B NG Re-assemble the USB/B cable to M/B OK NG Swap USB/B and USB cable Swap M/B Figure 4-8. USB Failure Troubleshooting 4-13 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 178
Other Functions Failure 0 1. Check if drives are functioning correctly. 2. Check if external modules are functioning correctly. 3. Change mainboard to check if current one is defective. 4-14 Troubleshooting - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 179
-defective FRU). NOTE: NOTE: Verify that all attached devices are supported by the computer. NOTE: NOTE: Verify that the power supply problems are found, replace the FRU. 3. Remove or disconnect all of the following devices: Non-Acer devices Printer, mouse, and other external devices Battery - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 180
RAM PCIE MMIO Base Address initial CPU Generic MSR initialization Setup CPU speed Cache as RAM test Tune CPU frequency ratio to maximum level Setup BIOS ROM cache 4-16 Troubleshooting - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 181
functions - Platform dependence. Description Enter Boot Firmware Volume Table 4-4. PEI Phase Super I/O Initialization CPU Early Initialization Multi-processor Early Initial HyperTransport Initialization PCIE MMIO BAR Initialization Memory Initial for Normal boot. Memory Initial for Crisis Recovery - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 182
BIOS with Recovery image Loading BIOS Service initialization Fail to initial Variable Service MTC Initial CPU Middle Initialization Multi-processor Middle Initialization SMBUS Driver Initialization 8259 Initialization RTC Initialization SATA Controller early Initialization 4-18 Troubleshooting - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 183
13 14 15 16 17 18 Description Enter BDS entry Install Hotkey service ASF Initialization PCI enumeration PCI resource assign complete PCI enumeration complete Keyboard Controller, Keyboard and Mouse initialization Video device initialization Error report device initialization Troubleshooting 4-19 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 184
controller initialization ISA BUS driver initialization Floppy device initialization Serial device initialization IDE device initialization AHCI device initialization Dispatch option ROMs Get boot device information End of boot selection Enter Setup Menu Enter Boot manager Try to boot system to OS - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 185
POST_BDS Post Code F9 FB FD FE Description No Boot Device UEFI Boot Start Image Legancy 16 boot entry Try to Boot with INT 19 Table 4-8. S3 Functions POST Code Table Restore system configuration stage1 Restore system configuration stage2 Relocate SMM BASE during S3 resume Troubleshooting 4-21 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 186
S3_BEFORE_MP_INIT PEI C8 Multi-processor initial during S3 resume ASL_ENTER_S4 ASL 54 ASL_ENTER_S5 ASL 55 ASL_WAKEUP_S1 ASL E1 ASL_WAKEUP_S3 ASL E3 ASL_WAKEUP_S4 ASL E4 Description Prepare SMM 0xA2 SMM service initial SMM_ACPI_ENABLE_START SMM Troubleshooting - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 187
) Used by Insyde debugger 0xD6 DDT Cable Transmission Error (Set Debug mode fail) Used by Insyde debugger 0xD7 DDT Cable Transmission Error (Set address fail) Troubleshooting 4-23 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 188
4-24 Troubleshooting - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 189
CHAPTER 5 Jumper and Connector Locations - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 190
Mainboard Jumper and Connector Locations 5-3 Clearing Password Check and BIOS Recovery 5-5 Clearing Password Check 5-5 BIOS Recovery by Crisis Disk 5-7 5-2 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 191
Jumper and Connector Locations 0 1 6 5 4 3 2 Figure 5-1. Mainboard Top Table 5-1. Mainboard Top Item Description 1 LVDS Connector 2 Cardreader Connector 3 USB Connector Item 4 5 6 Description Bluetooth Connector Touchpad Connector Keyboard Connector Jumper and Connector Locations 5-3 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 192
Mainboard Bottom Item Description 1 ODD Connector 2 RTC battery Connector 3 HDD Connector 4 Mini Card Connector 5 Speaker Connector 6 Headphone Connector 7 Microphone Connector 8 USB Connector 5-4 Item 9 10 11 12 13 14 A Description HDMI Connector VGA Connector RJ-45 Connector - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 193
users with the standard operating procedures of clearing password and BIOS recovery for the Aspire E1-421. The machine provides one Hardware Open Gap on main board for clearing password check, and one hot key for enabling BIOS Recovery. Clearing Password Check 0 NOTE: NOTE: The following procedure - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 194
Figure 5-4. BIOS Boot Option Meun NOTE: NOTE: If BIOS setup menu item 'Supervisor Password Is' and ' User Password Is' is set to Set, and 'Password on Boot' is set to Enabled, then Crisis Recovery disc must be used. 5-6 Jumper and Connector Locations - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 195
AC adapter and Battery present. If this function is enabled, the system will force the BIOS to enter a special BIOS block, called Boot Block. Steps for BIOS Recovery from USB Storage 0 NOTE: NOTE: Prior to performing the recovery, prepare a Crisis USB key. The Crisis USB key is created by executing - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 196
5-8 Jumper and Connector Locations - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 197
CHAPTER 6 FRU (Field Replaceable Unit) List - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 198
Exploded Diagrams 6-4 FRU List 6-8 Screw List 6-17 6-2 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 199
Aspire E1-421. Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization). NOTE: NOTE: WHEN ORDERING FRU PARTS, check the most up-to-date information available on the regional web or channel. Part number changes will not be noted on the printed Service - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 200
Exploded Diagrams 0 1 2 3 4 13 5 6 12 7 8 9 10 Figure 6-1. System Exploded Diagram Table 6-1. System Exploded Diagram No. 1 LCD Assembly 2 Keyboard 3 Upper Case Description 6-4 11 Acer Part No. 6M.M0ZN7.002 NK.I1413.002 60.M0RN7.001 FRU (Field Replaceable Unit) List - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 201
Exploded Diagram No. Description 4 Thermal Module Assembly 5 System Memory 6 SD Dummy Card 7 MainBoard 8 Lower Case 9 HDD Assembly 10 Base Door 11 Battery Module 12 USB Board 13 ODD Assembly Acer Part No. 60.M0ZN7.001 KN.2GB03.025 42.RYYN7.001 NB.M0Z11.001 60.M0RN7.002 KH.32008.024 42 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 202
8 7 6 Figure 6-2. LCD Assembly Exploded Diagram Table 6-2. LCD Assembly Exploded Diagram No. Description 1 Camera Module 2 LCD Screw Mylar 3 LCD Bezel 4 LCD Bracket (Left) 5 LCD LED Panel 6 LVDS Cable Acer Part No. NC.21411.002 47.R6Z07.003 60.M0RN7.005 33.M0RN7.002 KL.1400D.002 50.RYYN7 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 203
Table 6-2. LCD Assembly Exploded Diagram No. Description 7 LCD Cover 8 Antenna 9 LCD Bracket (Right) Acer Part No. 60.M0RN7.003 TBD 33.M0RN7.001 FRU (Field Replaceable Unit) List 6-7 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 204
FRU List Table 6-3. FRU List Category ADAPTER BATTERY 0 Description Acer Part No. ADAPTER DELTA 65W 19V 1.7X5.5X11 YELLOW ADP-65VH BA, LV5, LOW PROFILE LED LF ADAPTER LITE-ON 65W 19V 1.7X5.5X11 YELLOW - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 205
Table 6-3. FRU List Category BOARD Description Acer Part No. Foxconn Wirelss LAN Atheros HB125 1x1 BGN Liteon BRAZIL BLACK POWER CORD 1M 125V CHINA BLACK POWER CORD 1M 125V DENMARK BLACK POWER CORD 1M 125V INDIA BLACK POWER CORD 1M 125V ISRAEL BLACK POWER CORD 1M 125V ITL BLACK POWER CORD 1M 125V - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 206
FRU List Category CASE/COVER/BRACKET ASSEMBLY LOWER CASE Description Acer Part No. 60.M0RN7.002 UPPER CASE W/TP, ODD HLDS SUPER-MULTI DRIVE 12.7MM TRAY DL 8X GT51N LF W/O BEZEL SATA ZERO POWER SUPPORTED (HF + WINDOWS 7) ODD PLDS SUPER-MULTI DRIVE 12.7MM TRAY 8X DS-8A8SH LF+HF W/O BEZEL SATA ODD - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 207
Table 6-3. FRU List Category Description ODD BRACKET Acer Part No. 33.RYYN7.002 HDD/HARD DISK DRIVE HDD SEAGATE 2.5" 5400RPM 320GB ST320LT020/9YG142-188, SAPTA 15,320G/P SATA 8MB LF+HF F/W:0001SDM1 7MMZH - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 208
Legend Keyboard CHICONY TM4T_A11B TM4T Internal 14 Standard 89KS Black French Y2010 Acer Legend Keyboard CHICONY TM4T_A11B TM4T Internal 14 Standard 89KS Black German Y2010 Acer Legend Keyboard CHICONY TM4T_A11B TM4T Internal 14 Standard 88KS Black Greek Y2010 Acer Legend NK.I1413.02Q NK.I1413.02R - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 209
Legend Keyboard CHICONY TM4T_A11B TM4T Internal 14 Standard 88KS Black Thailand Y2010 Acer Legend Keyboard CHICONY TM4T_A11B TM4T Internal 14 Standard 89KS Black Turkish Y2010 Acer Legend Keyboard CHICONY TM4T_A11B TM4T Internal 14 Standard 89KS Black UK Y2010 Acer Legend Acer Part No. NK.I1413.031 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 210
Standard 88KS Black US International Y2010 Acer Legend Keyboard CHICONY TM4T_A11B TM4T Internal 14 Standard 88KS Black US International w/ Hebrew Y2010 Acer Legend Keyboard CHICONY TM4T_A11B TM4T Internal 14 Standard 89KS Black US w/ Canadian French Y2010 Acer Legend Acer Part No. NK.I1413.03G NK - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 211
Table 6-3. FRU List Category Description LCD CABLE W/ MIC Acer Part No. 50.RYYN7.006 CAMERA MAINBOARD MEMORY LCD HINGE W/ BRACKET - R LCD +HF 256x8 38nm Memory NANYA SO-DIMM DDRIII 1333 4GB NT4GC64B8HG0NS-CG (2G bit) Memory KINGSTON SO-DIMM DDRIII 1333 4GB ACR512X64D3S13C9G LF+HF KN.2GB03.025 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 212
SO-DIMM DDRIII 1333 4GB AD73I1C1674EV LF+HF Memory HYNIX SO-DIMM DDRIII 1333 4GB HMT351S6CFR8C-H9 LF+HF 256x8 38nm THERMAL MODULE UMA 18W Acer Part No. KN.4GB09.005 KN.4GB0B.015 KN.4GB0C.001 KN.4GB0G.012 60.M0ZN7.001 SPEAKER SPEAKER SET W/R+L MISCELLANEOUS LCD RUBBER - MIDDLE 23 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 213
SCREW M2.5*6-I(BNI)(NYLOK) SCREW MM25040ICI1 SCREW M2.0*5.0-I(BUWZN)(NYLON) SCREW M2*3.0 I (BNI,NYLOK)IRON SCREW M2-0.4*2-I(BNI)(NYLOK)(7,0.6)IRON SCREW M3*0.5+3.5I IRON Acer Part No. 86.A08V7.004 86.A08V7.014 86.RYYN7.003 86.SA107.001 86.W4107.002 86.WFB07.001 FRU (Field Replaceable Unit - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 214
6-18 FRU (Field Replaceable Unit) List - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 215
CHAPTER 7 Model Definition and Configuration - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 216
Acer Aspire E1-421 7-3 7-2 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 217
Configuration Acer Aspire E1-421 0 Table 7-1. RO, Description Model RO Country E1-4200-218 4G50Mnks WW WW E1-421-1120 2G32Mnks AAP India E1-421-1120 2G32Mnks AAP India E1-421-1120 2G32Mnks AAP Indonesia E1-421-1120 2G32Mnks AAP Thailand E1-421-1120 2G32Mnks AAP Vietnam E1-421 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 218
) Model RO Country Acer Part No E1-421-1120 2G32Mnks CHINA Hong Kong NX.M0ZCF.003 E1-421-1120 2G32Mnks PA Brazil NX.M0ZAL.010 E1-421-1120 2G32Mnks EMEA Albania/ Macedonia NX.M0ZEX.001 E1-421-1120 2G32Mnks EMEA Serbia/BosniaHerzegovina NX.M0ZEX.002 E1-421-1120 2G32Mnks EMEA - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 219
) Model RO Country Acer Part No Description E1-421-1120 2G50Mnks AAP Philippines NX.M0ZSP.002 E1-421-11202G50Mnks EM W7HB64EMASPH1 MC UMACks_3U 1*2G/500/6L2.2/5R/CB_GN_1.3 M HD_Rk_ES61SP1 E1-421-1120 2G50Mnks AAP Singapore NX.M0ZSG.001 E1-421-11202G50Mnks W7HP64ASSG1 MC UMACks_3U - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 220
Country Acer Part No E1-421-2180 2G32Mnks CHINA Hong Kong NX.M0ZCF.002 E1-421-2180 2G32Mnks AAP India NX.M0ZSI.003 E1-421-2180 2G32Mnks AAP Vietnam NX.M0ZSV.004 E1-421-2180 2G32Mnks AAP Indonesia NX.M0ZSN.001 E1-421-2180 2G32Mnks AAP Thailand NX.M0ZST.005 E1-421-2180 2G50Mnks - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 221
RO Country Acer Part No E1-421-2180 2G50Mnks AAP Singapore NX.M0ZSG.002 E1-421-2180 2G50Mnks AAP Thailand NX.M0ZST.002 E1-421-2180 2G50Mnks AAP Thailand NX.M0ZST.010 E1-421-2180 2G50Mnks AAP Thailand NX.M0ZST.011 E1-421-2180 2G75Mnks AAP Thailand NX.M0ZST.004 E1-421-2180 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 222
, Description (Continued) Model RO Country Acer Part No Description E1-421-2180 8G50Mnks WW WW N9.M0ZWW.006 E1-421-21808G50Mnks W7HP64ASWW1 MC UMACks_3U 2*4G/500/6L2.2/5R/CB_GN_1.3 M HD_Rk_ES62SP1 E1-421-2186 G32Mnks WW WW N9.M0ZWW.004 E1-421-2186G32Mnks W7HP64ASWW1 MC UMACks_3U 2G+4G - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 223
Acer Part No E1-421-11202 G32Mnks India NX.M0ZSI.001 E1-421-11202 G32Mnks India NX.M0ZSI.002 E1-421-11202 G32Mnks Indonesia NX.M0ZSN.002 E1-421-11202 G32Mnks Thailand NX.M0ZST.009 E1-421-11202 G32Mnks Vietnam NX.M0ZSV.002 E1-421-11202 G32Mnks ACLA-Spanish NX.M0ZAL.006 E1-421 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 224
11204 G50Mnks Philippines NX.M0ZSP.003 E1-421-1126G 32Mnks WW N9.M0ZWW.002 E1-421-1126G 50Mnks WW N9.M0ZWW.005 E1-421-21802 G32Mnks Hong Kong NX.M0ZCF.002 E1-421-21802 G32Mnks India NX.M0ZSI.003 E1-421-21802 G32Mnks Vietnam NX.M0ZSV.004 E1-421-21802 G32Mnks Indonesia NX.M0ZSN.001 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 225
NLED14WXGAG NLED14WXGAG NLED14WXGAG NLED14WXGAG Table 7-3. VGA Chip, VRAM Model Country Acer Part No E1-4200-2184 G50Mnks WW N9.M0ZWW.001 E1-421-11202 G32Mnks India NX.M0ZSI.001 E1-421-11202 G32Mnks India NX.M0ZSI.002 E1-421-11202 G32Mnks Indonesia NX.M0ZSN.002 VGA Chip UMA UMA UMA - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 226
Acer Part No E1-421-11202 G32Mnks Thailand NX.M0ZST.009 E1-421-11202 G32Mnks Vietnam NX.M0ZSV.002 E1-421-11202 G32Mnks ACLA-Spanish NX.M0ZAL.006 E1-421-11202 G32Mnks ACLA-Spanish NX.M0ZAL.007 E1-421-11202 G32Mnks Hong Kong NX.M0ZCF.003 E1-421-11202 G32Mnks Brazil NX.M0ZAL.010 E1 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 227
Country Acer Part No E1-421-11204 G50Mnks Philippines NX.M0ZSP.003 E1-421-1126G 32Mnks WW N9.M0ZWW.002 E1-421-1126G 50Mnks WW N9.M0ZWW.005 E1-421-21802 G32Mnks Hong Kong NX.M0ZCF.002 E1-421-21802 G32Mnks India NX.M0ZSI.003 E1-421-21802 G32Mnks Vietnam NX.M0ZSV.004 E1-421-21802 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 228
HDD 1 Model Country Acer Part No Memory 1 Memory 2 HDD 1(GB) E1-4200-218 4G50Mnks WW N9.M0ZWW.001 SO2GBIII SO2GBIII N500GB5.4KS_ 4K E1-421-1120 2G32Mnks India NX.M0ZSI.001 SO2GBIII N N320GB5.4KS E1-421-1120 2G32Mnks India NX.M0ZSI.002 SO2GBIII N N320GB5.4KS_ 4K E1-421-1120 2G32Mnks - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 229
) Model Country Acer Part No Memory 1 Memory 2 HDD 1(GB) E1-421-1120 2G32Mnks ACLA-Spanish NX.M0ZAL.007 SO2GBIII N N320GB5.4KS E1-421-1120 2G32Mnks Hong Kong NX.M0ZCF.003 SO2GBIII N N320GB5.4KS_ 4K E1-421-1120 2G32Mnks Brazil NX.M0ZAL.010 SO2GBIII N N320GB5.4KS E1-421-1120 Albania - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 230
) Model Country Acer Part No Memory 1 Memory 2 HDD 1(GB) E1-421-2180 2G32Mnks Hong Kong NX.M0ZCF.002 SO2GBIII N N320GB5.4KS_ 4K E1-421-2180 2G32Mnks India NX.M0ZSI.003 SO2GBIII N N320GB5.4KS E1-421-2180 2G32Mnks Vietnam NX.M0ZSV.004 SO2GBIII N N320GB5.4KS E1-421-2180 2G32Mnks - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 231
Country Acer Part No E1-4200-2184 G50Mnks WW N9.M0ZWW.001 E1-421-11202 G32Mnks India NX.M0ZSI.001 E1-421-11202 G32Mnks India NX.M0ZSI.002 E1-421-11202 G32Mnks Indonesia NX.M0ZSN.002 E1-421-11202 G32Mnks Thailand NX.M0ZST.009 E1-421-11202 G32Mnks Vietnam NX.M0ZSV.002 E1-421-11202 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 232
-11204 G50Mnks Philippines NX.M0ZSP.003 NSM8XS E1-421-1126 G32Mnks WW N9.M0ZWW.002 NSM8XS E1-421-1126 G50Mnks WW N9.M0ZWW.005 NSM8XS E1-421-21802 G32Mnks Hong Kong NX.M0ZCF.002 NSM8XS E1-421-21802 G32Mnks India NX.M0ZSI.003 NSM8XS E1-421-21802 G32Mnks Vietnam NX.M0ZSV.004 NSM8XS - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 233
ODD, Extra SW1, Card Reader (Continued) Model Country Acer Part No ODD E1-421-21802 G32Mnks Indonesia NX.M0ZSN.001 NSM8XS E1-421-21802 G32Mnks Thailand NX.M0ZST.005 NSM8XS E1-421-21802 G50Mnks ACLA-Spanish NX.M0ZAL.005 NSM8XS E1-421-21802 G50Mnks ACLA-Spanish NX.M0ZAL.002 NSM8XS - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 234
in McAfee 5 in 1-Build in Table 7-6. Wireless LAN, Bluetooth, NB Chipset Model Country Acer Part No Wireless LAN E1-4200-2184 G50Mnks WW N9.M0ZWW.001 3rd WiFi 1x1 BGN E1-421-11202 G32Mnks India NX.M0ZSI.001 3rd WiFi 1x1 BGN E1-421-11202 G32Mnks India NX.M0ZSI.002 3rd WiFi 1x1 BGN - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 235
NB Chipset (Continued) Model Country Acer Part No Wireless LAN Bluetooth NB Chipset E1-421-11202 Slovenia/ G32Mnks Croatia NX.M0ZEX.003 3rd WiFi 1x1 BGN N AMD A68M FCH E1-421-11202 G50Mnks Thailand NX.M0ZST.001 3rd WiFi 1x1 BGN N AMD A68M FCH E1-421-11202 G50Mnks China NX.M0ZCN - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 236
, NB Chipset (Continued) Model Country Acer Part No Wireless LAN Bluetooth NB Chipset E1-421-21802 G32Mnks Indonesia NX.M0ZSN.001 3rd WiFi 1x1 BGN N AMD A68M FCH E1-421-21802 G32Mnks Thailand NX.M0ZST.005 3rd WiFi 1x1 BGN N AMD A68M FCH E1-421-21802 G50Mnks ACLA-Spanish NX.M0ZAL - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 237
N AMD A68M FCH E1-421-4504 G50Mnks Mexico NX.M0ZAL.008 3rd WiFi 1x1 BGN N AMD A68M FCH Table 7-7. Battery, Adapter, Camera Model Country Acer Part No E1-4200-218 4G50Mnks WW N9.M0ZWW.001 E1-421-1120 2G32Mnks India NX.M0ZSI.001 E1-421-1120 2G32Mnks India NX.M0ZSI.002 E1-421-1120 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 238
Table 7-7. Battery, Adapter, Camera (Continued) Model Country Acer Part No Battery E1-421-1120 Albania/ 2G32Mnks Macedonia NX.M0ZEX.001 6CELL2.2 E1-421-1120 2G32Mnks Serbia/Bosnia -Herzegovina NX.M0ZEX.002 6CELL2.2 E1-421-1120 Slovenia/ 2G32Mnks Croatia NX.M0ZEX.003 6CELL2.2 E1-421-1120 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 239
Continued) Model Country Acer Part No Battery E1-421-2180 2G32Mnks Indonesia NX.M0ZSN.001 6CELL2.2 E1-421-2180 2G32Mnks Thailand NX.M0ZST.005 6CELL2.2 E1-421-2180 2G50Mnks ACLA-Spanish NX.M0ZAL.005 6CELL2.2 E1-421-2180 2G50Mnks ACLA-Spanish NX.M0ZAL.002 6CELL2.2 E1-421-2180 2G50Mnks - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 240
(Continued) Model Country Acer Part No Battery E1-421-2186 G50Mnks WW N9.M0ZWW.003 6CELL2.2 E1-421-4502 G32Mnks Middle East NX.M0ZEM.001 6CELL2.2 E1-421-4502 G32Mnks ACLA-Spanish NX.M0ZAL.009 6CELL2.2 E1-421-4502 G32Mnks Hong Kong NX.M0ZCF.004 6CELL2.2 E1-421-4504 G50Mnks Mexico - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 241
CHAPTER 8 Test Compatible Components - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 242
Microsoft® Windows® 7 Environment Test 8-4 8-2 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 243
tested under Windows® 7 environment. Refer to the following lists for components, adapter cards, and peripherals which have passed these tests. Regarding configuration, combination and test procedures, please refer to the Aspire E1-421. Compatibility Test Report released by the Acer Mobile System - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 244
Microsoft® Windows® 7 Environment 9999995 ONE TIME VENDER Mirror w/Camera Mirror w/Camera Battery 10001063 SONY 6CELL2.2 Battery SONY AS10D Li-Ion 3S2P ID:AS10D73 60002162 SIMPLO 6CELL2.2 Battery SIMPLO AS10D Li-Ion 3S2P SAMSUNG 6 cell 4400mAh Main COMMON ID:AS10D Acer Part No. LZ.21000.177 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 245
AMDE11200B CPU AMD - E1-1200 BGA 1.4G 1066 18W C0 60002168 AMD AMDE21800B CPU AMD - E2-1800 BGA 1.7G 1333 18W C0 HDD 60001922 TOSHIBA DIGI N320GB5.4KS_4 K HDD TOSHIBA 2.5" 5400rpm 320GB MQ01ABD032, Aquarius-B, 500G/P, Acer code SATA 8MB LF+HF F/W:AX002J 60001922 TOSHIBA DIGI N500GB5.4KS_4 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 246
4KS_4 K HDD TOSHIBA 2.5" 5400rpm 750GB MQ01ABD075,Aquarius-B, 500G/p, acer code SATA 8MB LF+HF F/W:AX002J 60001994 WD N320GB5.4KS_4 2.5" 5400rpm 320GB 9WS14C-188 ST320LT012, Yarra 500G/P, 7mmzh SATA 8MB LF+HF F/W:0001SDM1 Acer Part No. KH.75004.004 KH.32008.024 KH.50008.024 KH.75008.011 KH. - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 247
375G/P. SATA 8MB LF+HF F/W:0001SDM1 KH.75001.011 Keyboard 10001044 CHICONY TM4T_A11B Keyboard CHICONY TM4T_A11B TM4T Internal 14 Standard Black NK.I1413.002 NONE Y2011 Acer Legend Texture LAN 10017383 Atheros AR8151L Atheros AR8151L NI.22400.048 LCD 10001022 CMI NLED14WXGAG LED LCD CMI - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 248
1333 2GB ACR256X64D3S13C9G LF+HF 60024207 KINGSTON-FAR EAST SO4GBIII13 Memory KINGSTON SO-DIMM DDRIII 1333 4GB ACR512X64D3S13C9G LF+HF NB Chipset 60002168 AMD AMD A68M FCH AMD NB Chipset A68M Acer Part No. KN.2GB03.025 KN.4GB03.009 KN.2GB00.004 KN.4GB00.003 KN.2GB0G.031 KN.4GB0G.012 KN.2GB0B - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 249
Supported (HF + Windows 7) Palm rest Cover 60024358 ETANSI Glossy Silver IMR EAEG4P Palmrest Cover Glossy Silver IMR EAEG4P SB Chipset 9999995 ONE TIME VENDER N N Software 10000981 MISC McAfee Antivirus application McAfee VGA Chip 22554573 AMD UMA UMA (AMD BGN Acer Part No - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 250
8-10 Test Compatible Components - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 251
CHAPTER 9 Online Support Information - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 252
Introduction 9-3 9-2 - Acer Aspire E1-421 | Acer Aspire E1-421 Notebook Service Guide - Page 253
be obtained directly from Acer CSD Taiwan. Acer's Website offers convenient and valuable support resources. In the Technical Information section users can download information on all of Acer's Notebook, Desktop and Server models including: Service guides for all models Bios updates Software